One of the best performance upgrades for the Miata! Frame rails aid in additional rigidity to the MX5 Miata uni-body. Our rails are made from 14 gauge mild steel laser cut and CNC profiled to ensure the tightest fit and best performance. Finished in heavy-duty powder coating. 11 fastening points for each rail using 7/16th grade 8 zinc plated hardware. Can be used as jacking points. This product comes with two frame rails per unit ordered.